O'SHAUGHNESSY HYDRO
OperatingHydro power plant
- Capacity
- 5 MW
- Primary fuel
- Hydro
- County
- Delaware County
- Operator
- CITY OF COLUMBUS - (OH)
- Status
- Operating
- Commissioned
- 1988
- EIA plant ID
- 7279
- Coordinates
- 40.1540, -83.1254
O'SHAUGHNESSY HYDRO, a 5 MW Hydro power plant in Delaware County, Ohio. Operated by CITY OF COLUMBUS - (OH), commissioned 1988.
Weather peril exposure
O'SHAUGHNESSY HYDRO is a 5 MW hydro power plant in Delaware County, OH, operated by CITY OF COLUMBUS - (OH), commissioned in 1988. Delaware County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.4 of 5 at the 59th national percentile. Winter weather is the leading peril, rated Relatively High by FEMA at the 75th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Delaware County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Winter weather | Relatively High | 75th | 4.0 of 5 | 11.7 |
| Ice storm | Relatively High | 74th | 4.0 of 5 | 0.60 |
| Hail | Relatively Moderate | 68th | 3.7 of 5 | 3.3 |
| Heat wave | Relatively Low | 61st | 3.5 of 5 | 3.6 |
| Tornado | Relatively Moderate | 51st | 3.0 of 5 | 0.24 |
| Riverine flooding | Relatively Moderate | 47th | 2.9 of 5 | 1.7 |
| Strong wind | Relatively Moderate | 45th | 2.8 of 5 | 1.9 |
| Earthquake | Relatively Low | 38th | 2.5 of 5 | <0.01 |
| Lightning | Relatively Moderate | 36th | 2.4 of 5 | 43.7 |
| Wildfire | Very Low | 23rd | 1.9 of 5 | <0.01 |
| Hurricane | Very Low | 10th | 1.4 of 5 | <0.01 |
Perils not assessed in Delaware County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Delaware County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.